package foundamental.version3;

/**
 * Created by chenjun on 2017/12/18.
 */
public class B {
    private  int id;

    public B(int id) {
        this.id = id;
    }


    public  void bm1(A a){
        System.out.println("method 1 in B before*****" + id);
        a.am1();
        System.out.println("method 1 in b after -----"  + id);
    }
}
